Beltsville Symposium XIV 1989, Nodulation, Legume phylogeny, Third International Legume Conference 1992, TDWG Newsletter, Legume researchers, Fabaceae, Plant growth, ILDIS (International Legume Database and Information Service), Legumes, Leguminosae, 2nd ILDIS Workshop 1988, Legume systematics, Nitrogen fixation, Compositae Newsletter, Rhizosphere, and TDWG (Taxonomic Databases Working Group for Plant Sciences)

Phaseolus, Nodulation, Third International Legume Conference 1992, Legume researchers, Fabaceae, Useful and economic plants of Tropical Asia, Solanaceae Quarterly, Legumes, Leguminosae, Aridus, Legume systematics, Legumes of Hawai'i, Vigna, Desert legumes, NItrogen fixation, and Lotus Newsletter

First Kew International Compositae Conference 1994, Nodulation, Third International Legume Conference 1992, Legume researchers, Fabaceae, Legumes, Leguminosae, Eleventh Trifolium Conference 1990, Legume systematics, Nitrogen fixation, and Harvard Papers in Botany

Designs for a Global Plant Species Information System Symposium 1990, Third International Legume Conference 1992, Latin American Legume Report, Fabaceae, Legumes, Leguminosae, Legume systematics, Nitrogen fixation, 5th Latin American Botanical Congress 1990, Nodulation, Legume researchers, TAXACOM, and Analysis of the 1989 Bean Bag Directory

Third International Legume Conference 1992, Legume researchers, Fabaceae, Legumes, Leguminosae, Legume systematics, and TAXACOM

Advances in Legume Systematics, Part 4, Nodulation, Third International Legume Conference 1992, Legume researchers, Fabaceae, ICARDA (International Center for Agricultural Research in the Dry Areas), GRACE (Genetic Resources and Crop Evolution), TAXACOM, Leguminosae, Legume systematics, Rob Geesink, Seventh Meeting of the International Group for the Study of the Mimosoideae 1992, Nitrogen Fixation, IGSM (International Group for the Study of Mimosoideae), Pasture and Forage Legume Network News, and Legumes